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Finding the Third Proportional to 850.13 and 1,259.81

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Solution

The third proportional to 850.13 and 1,259.81 is: 1,866.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    850.13 : 1,259.81 = 1,259.81 : x
  2. Step 2: Convert to fraction form
    850.13/1,259.81 = 1,259.81/x
  3. Step 3: Cross multiply
    850.13x = 1,259.81 × 1,259.81
  4. Step 4: Simplify right side
    850.13x = 1,587,127.54
  5. Step 5: Solve for x
    x = 1,587,127.54/850.13
  6. Step 6: Final answer
    x = 1,866.93

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.